Quest Diagnostics

Almost $20 trillion in revenue—and a record-breaking $1.87 trillion in profits. Introducing the 2025 Fortune 500, the definitive list of the biggest companies in America.

Fortune 500

The 300 companies on this year’s list brought in over $12.6 trillion in revenue for the latest 12 months, with the median revenue figure at $22 billion.

America's Most Innovative Companies

Leaders in all industries rely more than ever on Big Tech—and appreciate the giants that deliver, at scale, without drama.

World's Most Admired Companies

Industries included in the sector are insurance and managed care, medical products and facilities, pharmacy services, and pharmaceutical companies.

Fortune Sector Leaders: Health Care

The Fortune 500, in its 70th year in 2024, ranks the biggest U.S. companies by revenue.

The 26th edition of the list shows how much esteem Big Tech giants command among other business leaders.

The 25th Fortune World’s Most Admired Companies list suggests that tech giants’ peers respect them as much as ever.

The 300 companies on this list are transforming industries from the inside out.

The Fortune 500, in its 69th year in 2023, ranks the biggest U.S. companies by revenue.

Just as it dominates our economy, Big Tech now dominates Fortune’s annual ranking of corporate reputation.

This year’s Fortune 500 marks the 68th running of the list.

After a year in which humanity leaned more heavily than ever on tech giants, see which companies topped Fortune's ranking of corporate reputation.

This year’s Fortune 500 marks the 67th running of the list.

F500-2021-324-Quest Diagnostics

Millions of people turn to the laboratory company to conduct the important tests that track cholesterol levels, white blood cell count, and other crucial measurements that ensure healthy lives. Quest Diagnostics also helps pharmaceutical companies conduct the clinical trials that could lead to life-saving treatments.

For an astounding 13th straight year, Apple claims the top spot in Fortune’s annual ranking of corporate reputation, based on a survey of almost 3,800 executives, directors, and analysts.

This year's Fortune 500 marks the 66th running of the list.

Quest Diagnostics Flies Coronavirus Tests and Samples Across the United States

The clinical diagnostics company’s services range from routine blood work to gene-based testing.

Here are the World's Most Admired Companies for 2019 as ranked in their industries. See who made the list.

This year's Fortune 500 marks the 65th running of the list.

Here are the World's Most Admired Companies for 2018 as ranked in their industries. See who made the list.

This year's Fortune 500 marks the 64th running of the list.

Here are the World's Most Admired Companies for 2017 as ranked in their industries. See who made the list.

This year's Fortune 500 marks the 63rd running of the list.

Here are the World's Most Admired Companies for 2016 as ranked in their industries. See who made the list.

This year's Fortune 500 marks the 62nd running of the list.

Business insiders have spoken: Asked which companies they most admire, more than 4,100 executives, directors, and analysts chose these top 50 All-Stars.

This year's Fortune 500 marks the 61st running of the list. Wal-Mart claims the top spot again. See who made the list.

Wal-Mart stayed on top as its sales crept closer to half-a-trillion dollars. Apple moved into the top five. And UnitedHealth Group continued its steady climb. 

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Industry

Current All-Star Rank

Previous All-Star Rank

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Previous Industry Rank

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Innovation

People Management

Use of Corporate Assets

Social Responsibility

Quality of Management

Financial Soundness

Long-Term Investment Value

Quality of Products/Services

Global Competitiveness

Culture rank

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Years on list

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Key Financials (last Fiscal Year)

Revenues ($M)

Profits ($M)

Assets ($M)

Total Stockholder Equity ($M)

Profit Ratios

Profit as % of Revenues

Profits as % of Assets

Profits as % of Stockholder Equity

Earnings Per Share (last Fiscal Year)

Earnings Per Share ($)

EPS % Change (from prior fiscal year)

EPS % Change (5 year annual rate)

EPS % Change (10 year annual rate)

Total Return

Total Return to Investors (last year)

Total Return to Investors (5 year, annualized)

Total Return to Investors (10 year, annualized)

Q2 2025

Q1 2025

Q4 2024

Quest Diagnostics (DGX): Company Profile, Stock Price, News, Rankings

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Quest Diagnostics (DGX): Company Profile, Stock Price, News, Rankings | Fortune

Quest Diagnostics will be the first to utilize this method.


FDA green lights batch testing for COVID-19

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Quest Diagnostics

Quest Diagnostics in Fortune Rankings

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